YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.74 | g | 29.74 | 29.74 | k | |
1899 | 33.29 | j | ----- | z | 40.77 | 58.80 | 64.29 | 75.70 | 85.74 | 81.48 | 79.80 | 57.35 | 48.93 | 32.40 | k | 65.88 | c | |||||||||
1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.52 | g | 63.71 | 53.23 | 37.13 | 51.36 | i | |||
1902 | 42.21 | c | 49.07 | ----- | z | ----- | z | 73.72 | b | 84.68 | b | 90.15 | k | 87.74 | 77.53 | 70.00 | 58.10 | ----- | z | 67.88 | d | |||||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | 33.19 | d | 27.69 | b | 45.21 | b | 50.24 | a | 60.72 | b | 82.90 | a | 88.57 | a | 83.04 | d | 75.10 | 66.55 | 50.57 | 42.94 | 58.89 | |||||
1934 | 37.06 | 43.61 | 53.32 | 61.90 | 75.32 | 77.11 | c | 87.16 | 84.97 | 70.90 | 64.37 | a | 45.77 | 31.90 | 61.12 | |||||||||||
1935 | 37.97 | b | 40.57 | 42.47 | a | 52.07 | 58.57 | a | 77.96 | b | 87.58 | 85.14 | c | 76.56 | c | 61.15 | d | 41.29 | b | 36.10 | 58.12 | |||||
1936 | 31.35 | e | 33.93 | b | 41.90 | b | 55.17 | 73.32 | c | 81.34 | a | 86.90 | a | 83.61 | 73.50 | b | 57.50 | a | 46.48 | a | 34.60 | a | 58.30 | |||
1937 | 17.97 | 30.93 | 40.87 | 50.60 | 69.39 | 73.30 | 83.74 | 84.65 | 75.93 | 62.13 | 44.48 | a | 33.61 | 55.63 | ||||||||||||
1938 | 32.94 | 35.25 | 39.58 | 54.83 | 62.53 | a | 78.23 | 82.35 | 82.35 | 75.14 | a | 60.26 | 36.37 | 35.65 | 56.29 | |||||||||||
1939 | 33.10 | 27.25 | 46.55 | 59.40 | 69.77 | 74.13 | 86.84 | 84.03 | 73.67 | 60.61 | 54.13 | 43.87 | 59.45 | |||||||||||||
1940 | 28.58 | 34.07 | 47.81 | 55.60 | 72.32 | 82.63 | 88.97 | 86.03 | 73.20 | 61.65 | 38.20 | 36.29 | 58.78 | |||||||||||||
1941 | 29.58 | 40.36 | 43.13 | 50.53 | 67.58 | 73.90 | 84.13 | 80.45 | 66.07 | ----- | z | 45.90 | 34.19 | 55.98 | a | |||||||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.94 | 79.30 | 64.20 | a | 36.93 | 28.48 | 58.97 | g | ||||
1949 | 19.14 | b | 31.46 | 45.58 | 63.03 | a | 66.90 | a | 74.70 | 86.16 | 85.61 | 76.27 | 52.29 | 56.50 | 34.35 | 57.67 | ||||||||||
1950 | 30.23 | 37.18 | 42.67 | a | 56.34 | a | 61.10 | 76.93 | 82.65 | 83.81 | 70.53 | 67.84 | 47.66 | a | 40.81 | 58.14 | ||||||||||
1951 | 33.16 | f | 41.36 | 41.68 | 55.27 | 65.77 | 70.50 | 86.16 | 81.03 | 74.33 | 55.10 | a | 41.40 | 30.26 | 58.44 | a | ||||||||||
1952 | 29.32 | 32.83 | 35.84 | 57.77 | 66.81 | 78.30 | 85.45 | 83.87 | 78.90 | 69.32 | 38.90 | 33.45 | 57.56 | |||||||||||||
1953 | 41.39 | 38.22 | a | 48.84 | 51.93 | 60.23 | 79.67 | 88.87 | 83.61 | 78.33 | 62.16 | 49.10 | 35.39 | 59.81 | ||||||||||||
1954 | 39.00 | 45.79 | 41.77 | 61.77 | 71.19 | 77.07 | 90.26 | 85.83 | a | 76.90 | 64.13 | 53.37 | 33.16 | 61.69 | ||||||||||||
1955 | 30.52 | 32.11 | 40.00 | 55.17 | 69.19 | 75.59 | a | 88.13 | 87.20 | a | 75.30 | 64.13 | 41.30 | 37.90 | 58.04 | |||||||||||
1956 | 36.39 | 30.79 | 47.87 | a | 57.89 | c | 69.87 | a | 83.21 | a | 85.90 | 81.77 | 78.89 | b | 62.70 | a | 43.10 | 37.60 | a | 59.66 | ||||||
1957 | 28.13 | 43.58 | b | 47.74 | 53.25 | b | 62.26 | 75.24 | a | 85.60 | a | 83.93 | a | 74.79 | a | 60.42 | 36.14 | b | 37.50 | a | 57.38 | |||||
1958 | 29.39 | 40.82 | 41.19 | 53.00 | b | 73.84 | 81.55 | a | 83.97 | 87.55 | b | 76.67 | 65.37 | a | 47.17 | a | 41.48 | 60.17 | ||||||||
1959 | 34.93 | a | 35.50 | 43.90 | a | 57.87 | 62.60 | a | 81.87 | 87.45 | 82.97 | b | 68.27 | 59.90 | b | 48.30 | 40.43 | a | 58.67 | |||||||
1960 | 28.83 | a | 27.93 | 45.37 | a | 60.17 | 67.65 | 80.27 | 88.81 | 85.03 | a | 75.23 | 59.77 | 41.57 | 31.06 | 57.64 | ||||||||||
1961 | 37.39 | 38.61 | 45.23 | 54.47 | 67.61 | 82.60 | 86.45 | 83.74 | 63.63 | 55.39 | 37.43 | 29.07 | a | 56.80 | ||||||||||||
1962 | 28.10 | 38.00 | a | 37.16 | 59.93 | 65.77 | 76.48 | a | 83.60 | a | 84.00 | a | 75.90 | 64.47 | a | 50.00 | 40.13 | 58.63 | ||||||||
1963 | 30.35 | 44.22 | a | 46.35 | 51.53 | 70.83 | a | 76.83 | 87.45 | 83.19 | 77.07 | 66.94 | 47.00 | 35.61 | c | 59.78 | ||||||||||
1964 | 31.37 | a | 30.97 | 36.81 | 51.43 | 65.87 | a | 72.87 | 89.87 | 81.94 | 73.87 | 64.45 | 40.67 | 32.96 | e | 56.09 | ||||||||||
1965 | 33.10 | 37.11 | 38.55 | 55.43 | 62.32 | 71.93 | 83.13 | 80.26 | 62.97 | 66.35 | 48.57 | 34.68 | 56.20 | |||||||||||||
1966 | 30.52 | 32.63 | a | 47.74 | 55.41 | a | 71.50 | a | 76.17 | 88.77 | 82.52 | 74.52 | a | 57.48 | b | 47.66 | a | 33.39 | 58.19 | |||||||
1967 | 36.42 | 38.75 | 47.29 | 53.50 | 61.55 | 70.60 | 85.97 | 85.16 | 74.00 | 61.35 | 45.13 | 26.65 | 57.20 | |||||||||||||
1968 | 31.94 | 37.79 | 47.81 | 49.77 | 62.35 | 75.93 | a | 86.16 | 76.80 | a | 70.00 | 61.39 | 41.97 | 31.74 | 56.14 | |||||||||||
1969 | 38.35 | 32.48 | a | 37.23 | 58.21 | b | 73.74 | 70.90 | 87.13 | 87.39 | 76.97 | 48.84 | 47.23 | 37.16 | 57.97 | |||||||||||
1970 | 34.57 | a | 44.68 | 41.48 | 49.23 | 67.68 | 75.69 | a | 86.23 | 87.68 | 69.73 | 53.26 | 42.87 | 31.81 | 57.07 | |||||||||||
1971 | 35.03 | b | 36.57 | 43.13 | 55.90 | 64.26 | 78.27 | 85.03 | 87.13 | 68.93 | 54.77 | 35.80 | 27.19 | 56.00 | ||||||||||||
1972 | 29.39 | 36.03 | 52.74 | 56.73 | 67.87 | 78.53 | 84.03 | 82.13 | 70.67 | 57.45 | 38.43 | 28.10 | 56.84 | |||||||||||||
1973 | 22.16 | 29.64 | 39.77 | a | 48.63 | 66.68 | 76.97 | 82.35 | 84.81 | 68.93 | 62.71 | 41.10 | 36.13 | 54.99 | ||||||||||||
1974 | 28.60 | a | 35.25 | 48.13 | 55.38 | a | 68.71 | 82.53 | 86.42 | 83.06 | 73.80 | 62.71 | 45.17 | 33.30 | a | 58.59 | ||||||||||
1975 | 32.42 | 36.89 | 43.90 | a | 48.67 | 61.80 | a | 72.03 | 86.97 | 83.42 | 73.63 | 61.21 | b | 43.67 | 37.39 | 56.83 | ||||||||||
1976 | 34.52 | 39.39 | a | 42.70 | a | 56.00 | 70.24 | b | 75.57 | 88.54 | e | 82.32 | 74.47 | 60.86 | b | 48.60 | 40.71 | 59.49 | ||||||||
1977 | 35.39 | 45.54 | 43.23 | 62.52 | a | 67.03 | 86.27 | 85.39 | 80.94 | 74.50 | 63.29 | 44.67 | 38.27 | a | 60.58 | |||||||||||
1978 | 34.93 | a | 38.61 | 49.94 | 56.28 | a | 63.19 | 78.00 | 87.92 | e | 82.75 | c | 72.97 | a | 65.32 | c | 39.87 | 25.58 | 57.95 | |||||||
1979 | 20.74 | 35.75 | 44.84 | 57.13 | 60.33 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.62 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.91 | 36.81 | 43.86 | 55.34 | 66.93 | 77.44 | 86.32 | 83.83 | 73.75 | 61.45 | 44.90 | 34.71 | 58.06 | |||||||||||||
S.D. | 5.44 | 5.33 | 4.16 | 3.87 | 4.35 | 3.97 | 2.06 | 2.31 | 3.96 | 4.56 | 5.56 | 4.46 | 1.57 | |||||||||||||
SKEW | -0.64 | 0.20 | 0.16 | 0.09 | 0.05 | 0.21 | -0.22 | -0.39 | -0.92 | -0.60 | 0.32 | -0.04 | 0.26 | |||||||||||||
MAX | 42.21 | 49.07 | 53.32 | 63.03 | 75.32 | 86.27 | 90.26 | 87.74 | 79.80 | 70.00 | 58.10 | 43.87 | 61.69 | |||||||||||||
MIN | 17.97 | 27.25 | 35.84 | 48.63 | 58.57 | 70.50 | 82.35 | 76.80 | 62.97 | 48.84 | 35.80 | 25.58 | 54.99 | |||||||||||||
YRS | 40 | 41 | 41 | 41 | 41 | 41 | 40 | 42 | 42 | 42 | 43 | 42 | 37 |